Period
to 21 April 2018

The median contractor rate for a Senior Developer was £500 per day in advertised job vacancies in Hertfordshire during the 6 months to 21 April 2018.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Senior Developer
East of England > Hertfordshire
6 months to
21 Apr 2018
Same period 2017 Same period 2016
Rank 71 58 76
Rank change year-on-year -13 +18 +8
Contract jobs requiring a Senior Developer 27 32 12
As % of all contract IT jobs advertised in Hertfordshire 1.84% 2.62% 0.87%
As % of the Job Titles category 1.94% 2.74% 0.92%
Number of daily rates quoted 26 30 7
Hertfordshire median daily rate £500 £538 £450
Median daily rate % change year-on-year -6.98% +19.44% +16.13%
10th Percentile £358 £375 £364
90th Percentile £569 £613 £502
East of England median daily rate £513 £525 £475
% change year-on-year -2.38% +10.53% +11.76%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £45.00 £16.50 -
% change year-on-year +172.73% - -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in Hertfordshire. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
Hertfordshire
Contract vacancies in Hertfordshire with a recognized job title 1,395 1,169 1,305
% of contract IT jobs with a recognized job title 94.96% 95.74% 94.70%
Number of daily rates quoted 731 653 652
Hertfordshire median daily rate £400 £425 £400
Median daily rate % change year-on-year -5.88% +6.25% -
10th Percentile £185 £195 £214
90th Percentile £560 £575 £575
East of England median daily rate £425 £400 £400
% change year-on-year +6.25% - -
Number of hourly rates quoted 120 86 107
Hertfordshire median hourly rate £15.63 £15.75 £21.50
Median hourly rate % change year-on-year -0.79% -26.74% +24.64%
10th Percentile £10.14 £10.50 £9.00
90th Percentile £43.75 £52.50 £52.25
East of England median hourly rate £17.00 £21.50 £21.00
% change year-on-year -20.93% +2.38% +7.69%

Senior Developer
Job Vacancy Trend in Hertfordshire

Job postings that featured Senior Developer in the job title as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Senior Developer in Hertfordshire

Senior Developer
Contractor Daily Rate Trend in Hertfordshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Senior Developer in Hertfordshire.

Contractor daily rate trend for Senior Developer in Hertfordshire

Senior Developer
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Senior Developer in Hertfordshire over the 6 months to 21 April 2018.

Contractor daily rate histogram for Senior Developer in Hertfordshire

Senior Developer
Contractor Hourly Rate Trend in Hertfordshire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Senior Developer in Hertfordshire.

Contractor hourly rate trend for Senior Developer in Hertfordshire

Senior Developer
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Senior Developer within the Hertfordshire region over the 6 months to 21 April 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Welwyn Garden City 0 8 £563 +10.84% 2
Watford -9 8 £375 -28.57% 1
Borehamwood - 2 £365 - 2
Letchworth - 2 £388 -
Royston - 1 - -
Senior Developer
East of England

Senior Developer Skill Set
Top 30 Co-occurring IT Skills in Hertfordshire

For the 6 months to 21 April 2018, Senior Developer contract jobs required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Hertfordshire region featuring Senior Developer in the job title.

1 18 (66.67%) Agile Software Development
2 16 (59.26%) Java
3 13 (48.15%) TDD
3 13 (48.15%) Java 8
4 10 (37.04%) Continuous Integration
5 9 (33.33%) Continuous Delivery
5 9 (33.33%) Microservices
5 9 (33.33%) E-Commerce
5 9 (33.33%) Scrum
5 9 (33.33%) Linux
6 8 (29.63%) SOAP
6 8 (29.63%) REST
6 8 (29.63%) Kanban
7 7 (25.93%) DevOps
7 7 (25.93%) MySQL
8 6 (22.22%) JavaScript
8 6 (22.22%) CSS
8 6 (22.22%) HTML
8 6 (22.22%) MVC
8 6 (22.22%) Pair Programming
9 5 (18.52%) Retail
9 5 (18.52%) SQL
9 5 (18.52%) Oracle
9 5 (18.52%) NoSQL
10 4 (14.81%) Node.js
10 4 (14.81%) Git (software)
10 4 (14.81%) Amazon AWS
10 4 (14.81%) Ruby
10 4 (14.81%) Ruby on Rails
10 4 (14.81%) SQL Server

Senior Developer Skill Set
Co-occurring IT Skills in Hertfordshire by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 4 (14.81%) Apache
2 2 (7.41%) JBoss
2 2 (7.41%) Oracle SOA Suite
3 1 (3.70%) nginx
Business Applications
1 2 (7.41%) BusinessWorks
2 1 (3.70%) Magento
Cloud Services
1 4 (14.81%) Amazon AWS
Database & Business Intelligence
1 7 (25.93%) MySQL
2 5 (18.52%) NoSQL
3 4 (14.81%) SQL Server
4 3 (11.11%) MongoDB
4 3 (11.11%) Redis
4 3 (11.11%) Relational Database
5 2 (7.41%) Apache Cassandra
5 2 (7.41%) RDBMS
5 2 (7.41%) SQL Server Integration Services
6 1 (3.70%) Data Warehouse
6 1 (3.70%) PostgreSQL
6 1 (3.70%) SAP Data Services
6 1 (3.70%) SAP HANA
6 1 (3.70%) SQL Server 2016
6 1 (3.70%) SQL Server Reporting Services
6 1 (3.70%) SSDT
Development Applications
1 4 (14.81%) Git (software)
2 3 (11.11%) JUnit
2 3 (11.11%) Mockito
3 2 (7.41%) Jenkins
4 1 (3.70%) RSpec
4 1 (3.70%) SQL Server Management Studio (SSMS)
4 1 (3.70%) Vagrant
4 1 (3.70%) Visual Studio
General
1 5 (18.52%) Retail
2 2 (7.41%) Finance
2 2 (7.41%) Games
Libraries, Frameworks & Software Standards
1 8 (29.63%) REST
1 8 (29.63%) SOAP
2 6 (22.22%) CSS
2 6 (22.22%) HTML
3 4 (14.81%) JMS
3 4 (14.81%) Node.js
3 4 (14.81%) Ruby on Rails
4 3 (11.11%) Action Cable
4 3 (11.11%) Spring
4 3 (11.11%) Web Services
5 2 (7.41%) .NET
5 2 (7.41%) ActiveMQ
5 2 (7.41%) Ajax
5 2 (7.41%) HTML5
5 2 (7.41%) jQuery
5 2 (7.41%) Kafka
5 2 (7.41%) Oracle Fusion
5 2 (7.41%) RabbitMQ
5 2 (7.41%) RESTful
5 2 (7.41%) WireMock
Miscellaneous
1 4 (14.81%) Greenfield Project
2 2 (7.41%) Computer Science
2 2 (7.41%) Data Centre
Operating Systems
1 9 (33.33%) Linux
2 2 (7.41%) CentOS
2 2 (7.41%) Fedora
2 2 (7.41%) Red Hat Enterprise Linux
2 2 (7.41%) Ubuntu
2 2 (7.41%) Unix
Processes & Methodologies
1 18 (66.67%) Agile Software Development
2 13 (48.15%) TDD
3 10 (37.04%) Continuous Integration
4 9 (33.33%) Continuous Delivery
4 9 (33.33%) E-Commerce
4 9 (33.33%) Microservices
4 9 (33.33%) Scrum
5 8 (29.63%) Kanban
6 7 (25.93%) DevOps
7 6 (22.22%) MVC
7 6 (22.22%) Pair Programming
8 3 (11.11%) BDD
8 3 (11.11%) OO
9 2 (7.41%) CQRS
9 2 (7.41%) Domain-Driven Design
9 2 (7.41%) Integration Testing
9 2 (7.41%) Mentoring
9 2 (7.41%) Multithreading
9 2 (7.41%) Software Engineering
9 2 (7.41%) Web Development
Programming Languages
1 16 (59.26%) Java
2 13 (48.15%) Java 8
3 6 (22.22%) JavaScript
4 5 (18.52%) SQL
5 4 (14.81%) C++
5 4 (14.81%) Ruby
6 2 (7.41%) C#
7 1 (3.70%) PHP
Qualifications
1 2 (7.41%) Computer Science Degree
1 2 (7.41%) Degree
Vendors
1 5 (18.52%) Oracle
2 3 (11.11%) SAP
3 2 (7.41%) Capita
3 2 (7.41%) IBM
3 2 (7.41%) MuleSoft
3 2 (7.41%) Red Hat
3 2 (7.41%) Salesforce.com
3 2 (7.41%) Siebel
3 2 (7.41%) TIBCO
3 2 (7.41%) webMethods
3 2 (7.41%) WSO2
4 1 (3.70%) Zend